Home / 121,469-266,338

Finding the Third Proportional to 121,469 and 266,338

Calculator

Solution

The third proportional to 121,469 and 266,338 is: 583,983.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,469 : 266,338 = 266,338 : x
  2. Step 2: Convert to fraction form
    121,469/266,338 = 266,338/x
  3. Step 3: Cross multiply
    121,469x = 266,338 × 266,338
  4. Step 4: Simplify right side
    121,469x = 70,935,930,244
  5. Step 5: Solve for x
    x = 70,935,930,244/121,469
  6. Step 6: Final answer
    x = 583,983.82

Related Problems

Find third proportional to 60,734.50 and 133,169
Half scale
Find third proportional to 242,938 and 532,676
Double scale
Find third proportional to 121,471 and 266,342
Similar ratio
Find third proportional to 182,203.50 and 399,507
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.